13339 ZIP Code — Fort Plain, NY

Montgomery County, New York

ZIP code 13339 is located in Fort Plain, New York, within Montgomery County. It covers approximately 105.22 square miles and serves a population of 6,084 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 518.

About ZIP code 13339

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $95,100. Owner-occupancy is high at 81%, well above the national average.

Median household income is $56,269. SNAP benefit usage at 19% of households reflects economic stress in the area. 45% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (23%) compared to national benchmarks.

Overall, ZIP code 13339 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

6,084

population

105.22

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

13339 ZIP code map

Cities in ZIP code 13339

Below are the cities the US Postal Service accepts for ZIP code 13339. Using any city not on this list may result in mail delivery delays.

City	Status
Fort Plain	Acceptable
Fort Plain	Preferred

Nearby ZIP codes

13428 Palatine Bridge (5.1 mi) 13317 Canajoharie (5.7 mi) 13452 Saint Johnsville (8.2 mi) 13475 Van Hornesville (9.2 mi) 13459 Sharon Springs (11.2 mi) 12166 Sprakers (11.3 mi) 13320 Cherry Valley (11.5 mi) 13468 Springfield Center (12.1 mi) 13361 Jordanville (12.3 mi) 13329 Dolgeville (12.5 mi) 12068 Fonda (12.7 mi) 12031 Carlisle (14.2 mi)

Demographics updated 05/2026

Population
Total population	6,084
Population density	58 / sq mi
State FIPS	36
County FIPS	057

Geography
Land area	105.22 sq mi
Water area	0.80 sq mi
Latitude	42.9268
Longitude	-74.6424
Timezone	Eastern (ET)
Area code	518

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.0%	48.3%	37.0%
$50k – $100k	30.5%	28.6%	27.0%
$100k – $200k	16.2%	20.2%	24.4%
Over $200k	2.4%	2.9%	11.5%

Demographics & statistics

6,084

Population

People per sq mi

38.4

Median age

$56,269

Median household income

$26,738

Per capita income

$95,100

Median home value

$862

Median monthly rent

80.5%

Home ownership

13.9%

Poverty rate

4.9%

Unemployment

2,228

Housing units

17.9%

Bachelor's or higher

Age distribution

Male Female

259

Under 5

238

209

5–9

193

225

10–14

206

195

15–19

180

220

20–24

202

334

25–34

307

405

35–44

373

355

45–54

327

258

55–59

238

162

60–64

149

349

65–74

320

154

75–84

141

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,563	25.7%
18 and over	4,521	74.3%
65 and over	1,049	17.2%
Median age	38.4 years

Race & ethnicity

White 93.5%

Two or more races 3.1%

Black or African American 1.8%

Hispanic or Latino 0.8%

Other race 0.5%

American Indian / Alaska Native 0.4%

Group	Count	%
White	5,733	93.5%
Two or more races	188	3.1%
Black or African American	108	1.8%
Hispanic or Latino	47	0.8%
Other race	30	0.5%
American Indian / Alaska Native	25	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.0%	48.3%	37.0%
$50k – $100k	30.5%	28.6%	27.0%
$100k – $200k	16.2%	20.2%	24.4%
Over $200k	2.4%	2.9%	11.5%

Under $10k 4.7%

$10k–$15k 4.2%

$15k–$25k 12.8%

$25k–$35k 12.5%

$35k–$50k 10.2%

$50k–$75k 18.7%

$75k–$100k 11.9%

$100k–$150k 16.5%

$150k–$200k 4.3%

$200k+ 4.2%

Range	% of households
Under $10k	4.7%
$10k–$15k	4.2%
$15k–$25k	12.8%
$25k–$35k	12.5%
$35k–$50k	10.2%
$50k–$75k	18.7%
$75k–$100k	11.9%
$100k–$150k	16.5%
$150k–$200k	4.3%
$200k+	4.2%
Median income	$56,269

Housing

Home values

Under $50k 20.2%

$50k–$100k 34.6%

$100k–$150k 15.0%

$150k–$200k 11.9%

$200k–$300k 8.5%

$300k–$500k 5.7%

$500k–$1M 3.1%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$95,100
Median rent / month	$862
Owner occupied	80.5%
Renter occupied	19.5%
Vacant	20.9%
Single-family detached	61.0%
Large apartment buildings	0.0%
Mobile homes	19.9%
Median rooms	6.3
Avg household size (owned)	2.98

Year built

Era	%
2020 or later	0.0%
2010–2019	3.3%
2000–2009	6.5%
1990–1999	12.5%
1980–1989	9.3%
1970–1979	10.0%
1960–1969	3.3%
1950–1959	5.0%
1940–1949	5.2%
1939 or earlier	44.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	4.4%
2 bedrooms	30.8%
3 bedrooms	41.9%
4 bedrooms	14.8%
5+ bedrooms	7.8%

Vehicles per household

Vehicles	% of households
No vehicle	9.8%
1 vehicle	35.9%
2 vehicles	28.3%
3 or more	26.0%

Heating fuel

Fuel type	%
Utility gas	32.0%
Electricity	5.2%
Propane / LP gas	12.7%
Fuel oil	31.4%
Wood	9.4%

Households & families

Household type	Count	%
Married-couple family	1,016	48.8%
Cohabiting couple	211	10.1%
Male householder, no spouse	341	16.4%
Female householder, no spouse	514	24.7%
Households with children under 18	642	30.8%
Households with seniors (65+)	743	35.7%
Average household size	2.92

Marital status

Status	Male	Female
Never married	34.9%	21.9%
Married	47.4%	47.6%
Separated	3.3%	6.2%
Widowed	2.5%	6.4%
Divorced	11.9%	17.9%

Education

Less than 9th grade 3.7%

Some HS, no diploma 6.5%

HS graduate 38.5%

Some college, no degree 21.8%

Associate's degree 11.6%

Bachelor's degree 9.6%

Graduate / professional 8.4%

Metric	%
HS diploma or higher	89.8%
Bachelor's or higher	17.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	14	1.1%
Kindergarten	106	8.1%
Elementary school	587	44.7%
High school	294	22.4%
College / grad school	313	23.8%

Employment

Industry of employment

Education & healthcare 24.1%

Manufacturing 12.4%

Retail trade 12.2%

Other services 9.4%

Arts, food & hospitality 7.9%

Transportation & utilities 7.7%

Construction 5.7%

Professional & management 5.6%

Public administration 4.8%

Agriculture & mining 4.6%

Wholesale trade 2.1%

Information 2.1%

Finance & real estate 1.4%

Occupation

Category	%
Management, business & arts	31.6%
Service	20.0%
Sales & office	12.2%
Natural resources & construction	10.3%
Production & transportation	25.9%

Employment type

Type	%
Private sector	77.3%
Government	15.0%
Self-employed	6.7%
Unpaid family workers	1.0%

Commute

Method	%
Drive alone	76.5%
Carpool	11.9%
Public transit	0.0%
Walk	3.6%
Work from home	6.0%
Other means	2.0%
Avg commute (minutes)	26.3

Poverty

All people 13.9%

Under 18 years 19.4%

18 and over 12.1%

Married-couple families 7.8%

Female-led households 43.3%

Income support

Source	% of households
Social Security	45.3%
Retirement income	28.7%
Supplemental Security	4.2%
Cash public assistance	3.0%
Food stamps / SNAP	18.5%

Health indicators

Condition	%
Obesity	33.4%
High blood pressure	34.9%
High cholesterol	32.8%
Diabetes	11.1%
Heart disease	7.6%
Stroke	3.7%
Asthma	11.2%
Arthritis	26.4%
Kidney disease	3.4%
Pulmonary disease	9.6%
Cancer	6.9%

Behavior / access	%
Smoking	22.7%
Binge drinking	16.9%
No physical activity	29.0%
Less than 7 hrs sleep	35.8%
Depression	22.8%
Fair or poor health	16.2%
Poor mental health	16.0%
Poor physical health	12.2%
No health insurance	12.8%
Visited doctor (checkup)	76.5%
Visited dentist	55.7%
Cholesterol screening	88.9%
Teeth loss	19.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	258	5.7%

Disability	%
Any disability	18.7%
Under 18	9.7%
18–64 years	16.5%
65 and over	39.6%

Health insurance coverage

Type	%
Private insurance	58.4%
Public insurance	55.4%
No insurance	4.0%
Uninsured under 19	3.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,587	91.8%
Spanish	143	2.6%
Other Indo-European	0	0.0%
Asian & Pacific Islander	143	2.6%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,051	99.5%
Born in same state	6,027	99.1%
Born in different state	5,218	85.8%
Foreign born	24	0.4%
Naturalized citizen	33	0.5%
Not a US citizen	33	100.0%

Ancestry

Ancestry	Count	%
Italian	875	14.4%
French	740	12.2%
English	464	7.6%
Arab	270	4.4%

Ancestry	Count	%
German	107	1.8%
Irish	18	0.3%
Polish	13	0.2%
Norwegian	11	0.2%

Technology access

Metric	% of households
Computer access	34.2%
Internet access	85.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 13339

What city is ZIP code 13339 in?

ZIP code 13339 is primarily assigned to Fort Plain, New York.

What county is ZIP code 13339 in?

ZIP code 13339 falls within Montgomery County, New York.

Does ZIP code 13339 have a large retiree population?

45% of households in ZIP code 13339 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 13339 mostly owner-occupied?

81% of occupied units in ZIP code 13339 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 13339?

The median home value in ZIP code 13339 is $95,100.

What is the population of ZIP code 13339?

ZIP code 13339 has an estimated population of 6,084 residents, with a density of 58 people per square mile.

What timezone is ZIP code 13339 in?

ZIP code 13339 observes the EST timezone.